diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 2df512a18e2c..8f882690994d 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -19,7 +19,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #ifndef ZFCP_DEF_H #define ZFCP_DEF_H @@ -32,6 +31,10 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/timer.h> +#include <linux/slab.h> +#include <linux/mempool.h> +#include <linux/syscalls.h> +#include <linux/ioctl.h> #include <scsi/scsi.h> #include <scsi/scsi_tcq.h> #include <scsi/scsi_cmnd.h> @@ -39,20 +42,17 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_fc.h> -#include "zfcp_fsf.h" #include <asm/ccwdev.h> #include <asm/qdio.h> #include <asm/debug.h> #include <asm/ebcdic.h> -#include <linux/mempool.h> -#include <linux/syscalls.h> -#include <linux/ioctl.h> +#include "zfcp_fsf.h" /********************* GENERAL DEFINES *********************************/ /* zfcp version number, it consists of major, minor, and patch-level number */ -#define ZFCP_VERSION "4.7.0" +#define ZFCP_VERSION "4.8.0" /** * zfcp_sg_to_address - determine kernel address from struct scatterlist @@ -80,7 +80,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list) #define REQUEST_LIST_SIZE 128 /********************* SCSI SPECIFIC DEFINES *********************************/ -#define ZFCP_SCSI_ER_TIMEOUT (100*HZ) +#define ZFCP_SCSI_ER_TIMEOUT (10*HZ) /********************* CIO/QDIO SPECIFIC DEFINES *****************************/ @@ -137,7 +137,7 @@ zfcp_address_to_sg(void *address, struct scatterlist *list) #define ZFCP_EXCHANGE_CONFIG_DATA_RETRIES 7 /* timeout value for "default timer" for fsf requests */ -#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ); +#define ZFCP_FSF_REQUEST_TIMEOUT (60*HZ) /*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/ @@ -543,7 +543,7 @@ do { \ } while (0) #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_NORMAL -# define ZFCP_LOG_NORMAL(fmt, args...) +# define ZFCP_LOG_NORMAL(fmt, args...) do { } while (0) #else # define ZFCP_LOG_NORMAL(fmt, args...) \ do { \ @@ -553,7 +553,7 @@ do { \ #endif #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_INFO -# define ZFCP_LOG_INFO(fmt, args...) +# define ZFCP_LOG_INFO(fmt, args...) do { } while (0) #else # define ZFCP_LOG_INFO(fmt, args...) \ do { \ @@ -563,14 +563,14 @@ do { \ #endif #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_DEBUG -# define ZFCP_LOG_DEBUG(fmt, args...) +# define ZFCP_LOG_DEBUG(fmt, args...) do { } while (0) #else # define ZFCP_LOG_DEBUG(fmt, args...) \ ZFCP_LOG(ZFCP_LOG_LEVEL_DEBUG, fmt , ##args) #endif #if ZFCP_LOG_LEVEL_LIMIT < ZFCP_LOG_LEVEL_TRACE -# define ZFCP_LOG_TRACE(fmt, args...) +# define ZFCP_LOG_TRACE(fmt, args...) do { } while (0) #else # define ZFCP_LOG_TRACE(fmt, args...) \ ZFCP_LOG(ZFCP_LOG_LEVEL_TRACE, fmt , ##args) @@ -779,7 +779,6 @@ typedef void (*zfcp_send_ct_handler_t)(unsigned long); * @handler_data: data passed to handler function * @pool: pointer to memory pool for ct request structure * @timeout: FSF timeout for this request - * @timer: timer (e.g. for request initiated by erp) * @completion: completion for synchronization purposes * @status: used to pass error status to calling function */ @@ -793,7 +792,6 @@ struct zfcp_send_ct { unsigned long handler_data; mempool_t *pool; int timeout; - struct timer_list *timer; struct completion *completion; int status; }; @@ -821,7 +819,6 @@ typedef void (*zfcp_send_els_handler_t)(unsigned long); * @resp_count: number of elements in response scatter-gather list * @handler: handler function (called for response to the request) * @handler_data: data passed to handler function - * @timer: timer (e.g. for request initiated by erp) * @completion: completion for synchronization purposes * @ls_code: hex code of ELS command * @status: used to pass error status to calling function @@ -836,7 +833,6 @@ struct zfcp_send_els { unsigned int resp_count; zfcp_send_els_handler_t handler; unsigned long handler_data; - struct timer_list *timer; struct completion *completion; int ls_code; int status; @@ -886,11 +882,10 @@ struct zfcp_adapter { struct list_head port_remove_lh; /* head of ports to be removed */ u32 ports; /* number of remote ports */ - struct timer_list scsi_er_timer; /* SCSI err recovery watch */ - struct list_head fsf_req_list_head; /* head of FSF req list */ - spinlock_t fsf_req_list_lock; /* lock for ops on list of - FSF requests */ - atomic_t fsf_reqs_active; /* # active FSF reqs */ + atomic_t reqs_active; /* # active FSF reqs */ + unsigned long req_no; /* unique FSF req number */ + struct list_head *req_list; /* list of pending reqs */ + spinlock_t req_list_lock; /* request list lock */ struct zfcp_qdio_queue request_queue; /* request queue */ u32 fsf_req_seq_no; /* FSF cmnd seq number */ wait_queue_head_t request_wq; /* can be used to wait for @@ -986,6 +981,7 @@ struct zfcp_unit { /* FSF request */ struct zfcp_fsf_req { struct list_head list; /* list of FSF requests */ + unsigned long req_id; /* unique request ID */ struct zfcp_adapter *adapter; /* adapter request belongs to */ u8 sbal_number; /* nr of SBALs free for use */ u8 sbal_first; /* first SBAL for this request */ @@ -1002,6 +998,7 @@ struct zfcp_fsf_req { struct fsf_qtcb *qtcb; /* address of associated QTCB */ u32 seq_no; /* Sequence number of request */ unsigned long data; /* private data of request */ + struct timer_list timer; /* used for erp or scsi er */ struct zfcp_erp_action *erp_action; /* used if this request is issued on behalf of erp */ mempool_t *pool; /* used if request was alloacted @@ -1015,6 +1012,7 @@ typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*); /* driver data */ struct zfcp_data { struct scsi_host_template scsi_host_template; + struct scsi_transport_template *scsi_transport_template; atomic_t status; /* Module status flags */ struct list_head adapter_list_head; /* head of adapter list */ struct list_head adapter_remove_lh; /* head of adapters to be @@ -1030,6 +1028,9 @@ struct zfcp_data { wwn_t init_wwpn; fcp_lun_t init_fcp_lun; char *driver_version; + kmem_cache_t *fsf_req_qtcb_cache; + kmem_cache_t *sr_buffer_cache; + kmem_cache_t *gid_pn_cache; }; /** @@ -1050,7 +1051,7 @@ struct zfcp_sg_list { #define ZFCP_POOL_DATA_GID_PN_NR 1 /* struct used by memory pools for fsf_requests */ -struct zfcp_fsf_req_pool_element { +struct zfcp_fsf_req_qtcb { struct zfcp_fsf_req fsf_req; struct fsf_qtcb qtcb; }; |
